Drop Python 3.8, add Python 3.11 to CI and run pyupgrade

.github/workflows/release.yml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        PYTHON_VERSION: ['3.8']
+        PYTHON_VERSION: ['3.9']
     timeout-minutes: 10
     steps:
       - uses: actions/cache@v1

.github/workflows/static.yml

@@ -30,9 +30,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          # TODO: check with Python 3, but need to fix the
-          # errors first
-          python-version: '3.8'
+          python-version: '3.9'
           architecture: 'x64'
       - run: python -m pip install --upgrade pip setuptools jsonschema
       # If we don't install pycodestyle, pylint will throw an unused-argument error in pylsp/plugins/pycodestyle_lint.py:72

.github/workflows/test-linux.yml

@@ -24,7 +24,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        PYTHON_VERSION: ['3.10', '3.9', '3.8']
+        PYTHON_VERSION: ['3.11', '3.10', '3.9']
     timeout-minutes: 10
     steps:
       - uses: actions/cache@v4

.github/workflows/test-mac.yml

@@ -24,7 +24,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        PYTHON_VERSION: ['3.10', '3.9', '3.8']
+        PYTHON_VERSION: ['3.11', '3.10', '3.9']
     timeout-minutes: 10
     steps:
       - uses: actions/cache@v4

.github/workflows/test-win.yml

@@ -24,7 +24,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        PYTHON_VERSION: ['3.10', '3.9', '3.8']
+        PYTHON_VERSION: ['3.11', '3.10', '3.9']
     timeout-minutes: 10
     steps:
       - uses: actions/cache@v4

pylsp/__main__.py

@@ -20,7 +20,7 @@
     start_ws_lang_server,
 )
 
-LOG_FORMAT = "%(asctime)s {0} - %(levelname)s - %(name)s - %(message)s".format(
+LOG_FORMAT = "%(asctime)s {} - %(levelname)s - %(name)s - %(message)s".format(
     time.localtime().tm_zone
 )
 
@@ -98,7 +98,7 @@ def _configure_logger(verbose=0, log_config=None, log_file=None) -> None:
     root_logger = logging.root
 
     if log_config:
-        with open(log_config, "r", encoding="utf-8") as f:
+        with open(log_config, encoding="utf-8") as f:
             logging.config.dictConfig(json.load(f))
     else:
         formatter = logging.Formatter(LOG_FORMAT)

pylsp/_utils.py

@@ -9,7 +9,7 @@
 import re
 import threading
 import time
-from typing import List, Optional
+from typing import Optional
 
 import docstring_to_markdown
 import jedi
@@ -78,7 +78,7 @@ def find_parents(root, path, names):
 
     Args:
         path (str): The file path to start searching up from.
-        names (List[str]): The file/directory names to look for.
+        names (list[str]): The file/directory names to look for.
         root (str): The directory at which to stop recursing upwards.
 
     Note:
@@ -198,7 +198,7 @@ def wrap_signature(signature):
 SERVER_SUPPORTED_MARKUP_KINDS = {"markdown", "plaintext"}
 
 
-def choose_markup_kind(client_supported_markup_kinds: List[str]):
+def choose_markup_kind(client_supported_markup_kinds: list[str]):
     """Choose a markup kind supported by both client and the server.
 
     This gives priority to the markup kinds provided earlier on the client preference list.
@@ -210,7 +210,7 @@ def choose_markup_kind(client_supported_markup_kinds: List[str]):
 
 
 def format_docstring(
-    contents: str, markup_kind: str, signatures: Optional[List[str]] = None
+    contents: str, markup_kind: str, signatures: Optional[list[str]] = None
 ):
     """Transform the provided docstring into a MarkupContent object.
 

pylsp/config/config.py

@@ -3,8 +3,9 @@
 
 import logging
 import sys
+from collections.abc import Mapping, Sequence
 from functools import lru_cache
-from typing import List, Mapping, Sequence, Union
+from typing import Union
 
 import pluggy
 from pluggy._hooks import HookImpl
@@ -32,7 +33,7 @@ def _hookexec(
         methods: Sequence[HookImpl],
         kwargs: Mapping[str, object],
         firstresult: bool,
-    ) -> Union[object, List[object]]:
+    ) -> Union[object, list[object]]:
         # called from all hookcaller instances.
         # enable_tracing will set its own wrapping function at self._inner_hookexec
         try:

pylsp/plugins/_resolvers.py

@@ -88,7 +88,7 @@ def resolve(self, completion):
 def format_label(completion, sig):
     if sig and completion.type in ("function", "method"):
         params = ", ".join(param.name for param in sig[0].params)
-        label = "{}({})".format(completion.name, params)
+        label = f"{completion.name}({params})"
         return label
     return completion.name
 
@@ -115,7 +115,7 @@ def format_snippet(completion, sig):
         snippet_completion["insertTextFormat"] = lsp.InsertTextFormat.Snippet
         snippet = completion.name + "("
         for i, param in enumerate(positional_args):
-            snippet += "${%s:%s}" % (i + 1, param.name)
+            snippet += "${{{}:{}}}".format(i + 1, param.name)
             if i < len(positional_args) - 1:
                 snippet += ", "
         snippet += ")$0"

pylsp/plugins/_rope_task_handle.py

@@ -1,7 +1,8 @@
 from __future__ import annotations
 
 import logging
-from typing import Callable, ContextManager, List, Optional, Sequence
+from collections.abc import Sequence
+from typing import Callable, ContextManager
 
 from rope.base.taskhandle import BaseJobSet, BaseTaskHandle
 
@@ -19,13 +20,13 @@ class PylspJobSet(BaseJobSet):
     _report_iter: ContextManager
     job_name: str = ""
 
-    def __init__(self, count: Optional[int], report_iter: ContextManager) -> None:
+    def __init__(self, count: int | None, report_iter: ContextManager) -> None:
         if count is not None:
             self.count = count
         self._reporter = report_iter.__enter__()
         self._report_iter = report_iter
 
-    def started_job(self, name: Optional[str]) -> None:
+    def started_job(self, name: str | None) -> None:
         if name:
             self.job_name = name
 
@@ -42,7 +43,7 @@ def finished_job(self) -> None:
     def check_status(self) -> None:
         pass
 
-    def get_percent_done(self) -> Optional[float]:
+    def get_percent_done(self) -> float | None:
         if self.count == 0:
             return 0
         return (self.done / self.count) * 100
@@ -66,8 +67,8 @@ def _report(self) -> None:
 
 class PylspTaskHandle(BaseTaskHandle):
     name: str
-    observers: List
-    job_sets: List[PylspJobSet]
+    observers: list
+    job_sets: list[PylspJobSet]
     stopped: bool
     workspace: Workspace
     _report: Callable[[str, str], None]
@@ -77,7 +78,7 @@ def __init__(self, workspace: Workspace) -> None:
         self.job_sets = []
         self.observers = []
 
-    def create_jobset(self, name="JobSet", count: Optional[int] = None):
+    def create_jobset(self, name="JobSet", count: int | None = None):
         report_iter = self.workspace.report_progress(
             name, None, None, skip_token_initialization=True
         )
@@ -89,7 +90,7 @@ def create_jobset(self, name="JobSet", count: Optional[int] = None):
     def stop(self) -> None:
         pass
 
-    def current_jobset(self) -> Optional[BaseJobSet]:
+    def current_jobset(self) -> BaseJobSet | None:
         pass
 
     def add_observer(self) -> None:

pylsp/plugins/definition.py

@@ -3,7 +3,7 @@
 from __future__ import annotations
 
 import logging
-from typing import TYPE_CHECKING, Any, Dict, List
+from typing import TYPE_CHECKING, Any
 
 import jedi
 
@@ -23,7 +23,7 @@
 
 
 def _resolve_definition(
-    maybe_defn: Name, script: Script, settings: Dict[str, Any]
+    maybe_defn: Name, script: Script, settings: dict[str, Any]
 ) -> Name:
     for _ in range(MAX_JEDI_GOTO_HOPS):
         if maybe_defn.is_definition() or maybe_defn.module_path != script.path:
@@ -43,8 +43,8 @@ def _resolve_definition(
 
 @hookimpl
 def pylsp_definitions(
-    config: Config, document: Document, position: Dict[str, int]
-) -> List[Dict[str, Any]]:
+    config: Config, document: Document, position: dict[str, int]
+) -> list[dict[str, Any]]:
     settings = config.plugin_settings("jedi_definition")
     code_position = _utils.position_to_jedi_linecolumn(document, position)
     script = document.jedi_script(use_document_path=True)

pylsp/plugins/flake8_lint.py

@@ -135,7 +135,7 @@ def run_flake8(flake8_executable, args, document, source):
         cmd = [flake8_executable]
         cmd.extend(args)
         p = Popen(cmd, stdin=PIPE, stdout=PIPE, stderr=PIPE, **popen_kwargs)
-    except IOError:
+    except OSError:
         log.debug(
             "Can't execute %s. Trying with '%s -m flake8'",
             flake8_executable,
@@ -165,9 +165,9 @@ def build_args(options):
             arg = "--{}={}".format(arg_name, ",".join(arg_val))
         elif isinstance(arg_val, bool):
             if arg_val:
-                arg = "--{}".format(arg_name)
+                arg = f"--{arg_name}"
         else:
-            arg = "--{}={}".format(arg_name, arg_val)
+            arg = f"--{arg_name}={arg_val}"
         args.append(arg)
     return args
 

pylsp/plugins/pylint_lint.py

@@ -287,7 +287,7 @@ def _run_pylint_stdio(pylint_executable, document, flags):
         cmd.extend(flags)
         cmd.extend(["--from-stdin", document.path])
         p = Popen(cmd, stdin=PIPE, stdout=PIPE, stderr=PIPE)
-    except IOError:
+    except OSError:
         log.debug("Can't execute %s. Trying with 'python -m pylint'", pylint_executable)
         cmd = [sys.executable, "-m", "pylint"]
         cmd.extend(flags)

pylsp/plugins/rope_autoimport.py

@@ -2,7 +2,8 @@
 
 import logging
 import threading
-from typing import Any, Dict, Generator, List, Optional, Set, Union
+from collections.abc import Generator
+from typing import Any, Optional, Union
 
 import parso
 from jedi import Script
@@ -36,7 +37,7 @@ def reload_cache(
         self,
         config: Config,
         workspace: Workspace,
-        files: Optional[List[Document]] = None,
+        files: Optional[list[Document]] = None,
         single_thread: Optional[bool] = True,
     ):
         if self.is_blocked():
@@ -45,7 +46,7 @@ def reload_cache(
         memory: bool = config.plugin_settings("rope_autoimport").get("memory", False)
         rope_config = config.settings().get("rope", {})
         autoimport = workspace._rope_autoimport(rope_config, memory)
-        resources: Optional[List[Resource]] = (
+        resources: Optional[list[Resource]] = (
             None
             if files is None
             else [document._rope_resource(rope_config) for document in files]
@@ -65,7 +66,7 @@ def _reload_cache(
         self,
         workspace: Workspace,
         autoimport: AutoImport,
-        resources: Optional[List[Resource]] = None,
+        resources: Optional[list[Resource]] = None,
     ) -> None:
         task_handle = PylspTaskHandle(workspace)
         autoimport.generate_cache(task_handle=task_handle, resources=resources)
@@ -76,7 +77,7 @@ def is_blocked(self):
 
 
 @hookimpl
-def pylsp_settings() -> Dict[str, Dict[str, Dict[str, Any]]]:
+def pylsp_settings() -> dict[str, dict[str, dict[str, Any]]]:
     # Default rope_completion to disabled
     return {
         "plugins": {
@@ -180,13 +181,13 @@ def _handle_argument(node: NodeOrLeaf, word_node: tree.Leaf):
 
 
 def _process_statements(
-    suggestions: List[SearchResult],
+    suggestions: list[SearchResult],
     doc_uri: str,
     word: str,
     autoimport: AutoImport,
     document: Document,
     feature: str = "completions",
-) -> Generator[Dict[str, Any], None, None]:
+) -> Generator[dict[str, Any], None, None]:
     for suggestion in suggestions:
         insert_line = autoimport.find_insertion_line(document.source) - 1
         start = {"line": insert_line, "character": 0}
@@ -220,7 +221,7 @@ def _process_statements(
             raise ValueError(f"Unknown feature: {feature}")
 
 
-def get_names(script: Script) -> Set[str]:
+def get_names(script: Script) -> set[str]:
     """Get all names to ignore from the current file."""
     raw_names = script.get_names(definitions=True)
     log.debug(raw_names)
@@ -233,7 +234,7 @@ def pylsp_completions(
     workspace: Workspace,
     document: Document,
     position,
-    ignored_names: Union[Set[str], None],
+    ignored_names: Union[set[str], None],
 ):
     """Get autoimport suggestions."""
     if (
@@ -251,7 +252,7 @@ def pylsp_completions(
     word = word_node.value
     log.debug(f"autoimport: searching for word: {word}")
     rope_config = config.settings(document_path=document.path).get("rope", {})
-    ignored_names: Set[str] = ignored_names or get_names(
+    ignored_names: set[str] = ignored_names or get_names(
         document.jedi_script(use_document_path=True)
     )
     autoimport = workspace._rope_autoimport(rope_config)
@@ -303,9 +304,9 @@ def pylsp_code_actions(
     config: Config,
     workspace: Workspace,
     document: Document,
-    range: Dict,
-    context: Dict,
-) -> List[Dict]:
+    range: dict,
+    context: dict,
+) -> list[dict]:
     """
     Provide code actions through rope.
 
@@ -317,9 +318,9 @@ def pylsp_code_actions(
         Current workspace.
     document : pylsp.workspace.Document
         Document to apply code actions on.
-    range : Dict
+    range : dict
         Range argument given by pylsp. Not used here.
-    context : Dict
+    context : dict
         CodeActionContext given as dict.
 
     Returns

pylsp/plugins/rope_completion.py

@@ -22,7 +22,7 @@ def _resolve_completion(completion, data, markup_kind):
     except Exception as e:
         log.debug("Failed to resolve Rope completion: %s", e)
         doc = ""
-    completion["detail"] = "{0} {1}".format(data.scope or "", data.name)
+    completion["detail"] = "{} {}".format(data.scope or "", data.name)
     completion["documentation"] = doc
     return completion